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	A technique for extrapolating the 1 kc values of secondary capacitance standards to higher frequencies (Volume NBS Technical Note 201) - Jones, Raymond Nelson, 1928- A simple technique is described for extrapolating the 1 kc values of certain two-terminal capacitors to higher frequencies without incurring serious losses in accuracy.The method is intended for use with air capacitors having binding post or banana plug t Keywords: Shortwave radio; Radio measurements; Calibration Downloads: 16
	Numerical values of the path integrals for low and very low frequencies. (Volume NBS Technical Note 319) - Berry, L. A. (Leslie A.); Chrisman, Mary E. Numerical values of the path integrals for the first five hops are given as a function of distance from 1000 km to 8000 km, for frequencies of 10, 20, 30, 60, 100, 150, and 200 kHz., for sea paths, and for land paths with conductivities of 0 * .01 and 0.0 Keywords: Radio measurements; Geometrical optics; Radio frequency Downloads: 19